'Exact' in the Bible

I approached one of those who were standing by and began asking him the exact meaning of all this. So he told me and made known to me the interpretation of these things:

“Then I desired to know the exact meaning of the fourth beast, which was different from all the others, exceedingly dreadful, with its teeth of iron and its claws of bronze, and which devoured, crushed and trampled down the remainder with its feet,